98 lines
10 KiB
XML
98 lines
10 KiB
XML
<document id="EDFB5A7D04A35EBB683D08A77B04E8A9" ENCODING="UTF-8" ID-GBIF-Dataset="a3e019a7-f797-4fc4-a4b0-2c548674b99a" ModsDocID="z01094p001" checkinTime="1247050441839" checkinUser="thomas" docAuthor="Barry Chernoff & Antonio Machado-Allison" docDate="2005" docId="E0B4C89F8DED9194293A3D9F0412A983" docLanguage="en" docName="2005_Chernoff_Machado-Allison_gg1.xml" docOrigin="Zootaxa 1094" docSource="http://www.zoobank.org/urn:lsid:zoobank.org:pub:2847B8DC-ED42-4562-9EF6-A4E8DC5F59A0" docTitle="Bryconops" docType="treatment" docVersion="12" lastPageNumber="3" masterDocId="7B07321D70E59C783A8F9B39AE38B7EB" masterDocTitle="Bryconops magoi and Bryconops collettei (Characiformes: Characidae), two new freshwater fish species from Venezuela, with comments on B. caudomaculatus (Gunther)." masterLastPageNumber="23" masterPageNumber="1" pageNumber="2" updateTime="1701325929333" updateUser="ExternalLinkService">
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<mods:titleInfo id="AF5A5F214109212197688F1AD42813B6">
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<mods:title id="079000B3FA20F824A0418E2D24E32B94">Bryconops magoi and Bryconops collettei (Characiformes: Characidae), two new freshwater fish species from Venezuela, with comments on B. caudomaculatus (Gunther).</mods:title>
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<mods:roleTerm id="28644667B185F7B14F6EF4AED5A3DE08">Author</mods:roleTerm>
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<mods:namePart id="7D1E8D68083D014094179B28E62C4C0E">Barry Chernoff</mods:namePart>
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<mods:roleTerm id="A673BE320D2D358C3EADE59F70A50470">Author</mods:roleTerm>
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<mods:namePart id="49D34A408554388CFE9E2BA3DE70FB69">Antonio Machado-Allison</mods:namePart>
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<mods:typeOfResource id="6739C0F42C297F48C66419C587E8D746">text</mods:typeOfResource>
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<mods:title id="B6716EADE1A9C51B77956CCD6742796F">Zootaxa</mods:title>
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<mods:part id="85B7D365EAC54C70AB5C169BE7A484AB">
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<mods:date id="FDC5AA860E0890D0D0C9F1B99FB88491">2005</mods:date>
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<mods:detail id="E6BCC7A26C3C25AD4A533CD969049143" type="volume">
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<mods:number id="10777E9C5E915584A3FFE3D37DAC66C6">1094</mods:number>
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<mods:start id="D37AFBA87597E39E4732F6B786B838E5">1</mods:start>
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<mods:url id="F8B4F8648B39C8AFF2FAB811C02AF802">http://www.zoobank.org/urn:lsid:zoobank.org:pub:2847B8DC-ED42-4562-9EF6-A4E8DC5F59A0</mods:url>
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<mods:classification id="FFB55FD4439D6C8275C6212D2C7CCE26">journal article</mods:classification>
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<mods:identifier id="96D16B472010A6224BEE83CC887D6046" type="Plazi-Custom">z01094p001</mods:identifier>
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<treatment id="E0B4C89F8DED9194293A3D9F0412A983" ID-DOI="http://doi.org/10.5281/zenodo.6265581" ID-GBIF-Taxon="100123418" ID-Zenodo-Dep="6265581" LSID="urn:lsid:plazi:treatment:E0B4C89F8DED9194293A3D9F0412A983" httpUri="http://treatment.plazi.org/id/E0B4C89F8DED9194293A3D9F0412A983" lastPageNumber="3" pageNumber="2">
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<subSubSection id="7F9175D17B229061B8E9E84C9423203A" type="nomenclature">
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<paragraph id="837C75DA3A436F6CC0033B443A2E77B8">
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[[ Genus
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<taxonomicName id="1FD66612200D4F13A88935DAF7F15C6C" ID-CoL="3DKJ" ID-ENA="303988" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="genus">Bryconops</taxonomicName>
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]]
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</paragraph>
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</subSubSection>
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<subSubSection id="462AB67A590538E9E55429F337D6BC69" type="discussion">
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<paragraph id="A6C38AA858810A3D9E2D0945DD9F5167" pageNumber="2">
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The genus
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<taxonomicName id="367AEB935D3659D4C5A3BBF31915E664" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="genus">Bryconops</taxonomicName>
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contains 15 species (Chernoff et al., 1994, 2002; Chernoff and Machado-Allison, 1999; Machado-Allison et al. 1993, 1996; Machado-Allison and Chernoff, 1997), including the two species that are described herein. The genus is widely distributed in the cis-Andean lowlands of South America from the Orinoco to the
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<normalizedToken id="12D54B4A744B69B391A3A19883BD89EA" originalValue="Paraná-">Parana-</normalizedToken>
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Paraguay basins including many coastal basins of the Guyanas and Brazil. Although
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<taxonomicName id="DD5E9B88A3ED761E8FDA9DAA528D1DF9" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="alburnoides">B. alburnoides Kner, 1859</taxonomicName>
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, is known to inhabit relatively basic, white-water habitats (e.g., flood plain lakes of the lower Orinoco [
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<normalizedToken id="E747782F2667F2B1CED5504DA4ABF693" originalValue="Rodríguez">Rodriguez</normalizedToken>
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and Lewis, 1990]), most species are found in lotic habitats that are typically acidic and transparent, despite the color of the water. Many species inhabit morichal (aguajal, vereda) habitats that are dominated by the moriche palm (
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<taxonomicName id="C64F26ABDEC3869FD4E95C80382977F3" class="Gastropoda" family="Cypraeidae" genus="Mauritia" higherTaxonomySource="CoL" kingdom="Animalia" order="Littorinimorpha" pageNumber="2" phylum="Mollusca" rank="genus">Mauritia</taxonomicName>
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sp.).
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</paragraph>
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<paragraph id="2BE66B316FEAD91A5DDBDCB20DCCE560" pageNumber="2">
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The two new species inhabit the Orinoco and Cuyuni watersheds (Fig. 1). The latter occurs on the Guyana Shield above the cataracts in the Essequibo River basin. The two new species belong to the subgenus
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<taxonomicName id="17A074E79F4A7ED7185366C0C4D0D1A5" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="subGenus" subGenus="Bryconops">Bryconops</taxonomicName>
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because of the synapomorphies of the jaws and gill rakers that they share (discussed below) with the other members of the subgenus:
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<taxonomicName id="BDE161EFEBFC99BEDC0A404BB7B7E234" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="alburnoides">Bryconops alburnoides</taxonomicName>
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,
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<taxonomicName id="BBD21C588378FBB511C6A47F2314D5E3" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="caudomaculatus">
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Bryconops caudomaculatus (
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<normalizedToken id="719D90EEFCC3DD99460D3C32DF650057" originalValue="Günther">Guenther</normalizedToken>
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, 1864)
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</taxonomicName>
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,
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<taxonomicName id="9BE380F383237B541FAA297576E6AB08" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="disruptus">Bryconops disruptus Machado-Allison and Chernoff, 1997</taxonomicName>
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, and
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<taxonomicName id="85846FBB595B261832EE477AA06C0CF7" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="durbini">Bryconops durbini (Eigenmann 1908)</taxonomicName>
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. Within this group the new species superficially resemble
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<taxonomicName id="6A9F6D28DE689DBF6AB57FE86848C9F8" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="caudomaculatus">B. caudomaculatus</taxonomicName>
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, an enigmatic taxon,
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<taxonomicName id="E5DCBE107CC3C2540030569190282AAD" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="disruptus">B. disruptus</taxonomicName>
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, and
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<taxonomicName id="80F7A3822D26EEB43A780C88EEFF7E20" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="durbini">B. durbini</taxonomicName>
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because of the colorful ocellus on the dorsal lobe of the caudal fin. Indeed, the new species have been identified as
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<taxonomicName id="C193C1F275D38D5E6EDCFBA3D9F255FE" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="2" phylum="Chordata" rank="species" species="caudomaculatus">B. caudomaculatus</taxonomicName>
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in collections.
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</paragraph>
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<paragraph id="4B4EE9480F69B863FAF80B56DF458E7C" pageNumber="3">
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In this paper we describe two new species of the genus
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<taxonomicName id="F0183ED3982CF57A31935FFB5C5152DA" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="3" phylum="Chordata" rank="genus">Bryconops</taxonomicName>
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, compare them with other member of the subgenus, and discuss some aspects on the morphometry and shape changes in these species. We comment on the characteristics of
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<taxonomicName id="C7CF0A22FEE35F34733AA57EB77A8F93" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="3" phylum="Chordata" rank="species" species="caudomaculatus">B. caudomaculatus</taxonomicName>
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in order to clarify its status. Lastly, we provide an artificial key to the species of
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<taxonomicName id="A823A5BA8E2ACC61EBA49665472C8323" family="Iguanodectidae" genus="Bryconops" higherTaxonomySource="CoL" kingdom="Animalia" order="Characiformes" pageNumber="3" phylum="Chordata" rank="genus">Bryconops</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |